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Fructooligosaccharides and appetite.

Renee Korczak1, Joanne L Slavin

  • 1Department of Food Science and Nutrition, University of Minnesota, St. Paul, Minnesota, USA.

Current Opinion in Clinical Nutrition and Metabolic Care
|June 26, 2018
PubMed
Summary
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Fructan fibers like inulin, fructooligosaccharides, and oligofructose may not significantly impact appetite or satiety. Higher doses and longer consumption periods are needed to observe effects on food intake and body weight management.

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Area of Science:

  • Nutrition Science
  • Gastroenterology
  • Obesity Research

Background:

  • Dietary fiber is investigated for its role in obesity prevention, influencing body weight and appetite control.
  • Fiber characteristics like viscosity, fermentability, and solubility differentially impact appetite regulation.

Purpose of the Study:

  • To evaluate the role of fructan fibers in appetite control and energy intake.
  • To determine effective dosages and durations for fructan fiber supplementation to influence satiety.

Main Methods:

  • Review of recent studies on fructan fibers (inulin, fructooligosaccharides, oligofructose) and their effects on appetite.
  • Analysis of dose-response and time-course data for fructan fiber consumption.

Main Results:

  • Low doses (<10 g/day) of fructan fibers generally do not affect satiety or food intake.
  • Higher doses (e.g., 16 g/day) of oligofructose may require longer consumption periods (12-16 weeks) to show effects on appetite and energy intake.
  • Various sources and chain lengths of fructan fibers exist, potentially influencing their physiological effects.

Conclusions:

  • Fructan fibers, particularly at low intake levels, should not be solely relied upon for their satiating effects.
  • Effective use of fructan fibers for appetite management may necessitate higher doses and prolonged intake.
  • Further research is needed to understand the nuanced effects of different fructan fiber types and sources on appetite regulation.